<!DOCTYPE html>
<html lang="zh">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>生日快乐</title>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <div class="container">
    <h1 class="main-title">欣悦 生日快乐！</h1>
    <p class="sub-title">祝你生日快乐，天天开心，愿你未来的每一天都充满阳光与笑声！</p>
    <a href="happybirthday.html" class="btn">进入生日时刻</a>
  </div>
</body>
</html>
